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docs: add self-hosting guide (fixes 404 from agentrelay.com) - #1971
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agentrelay.com's homepage "Self host" card links to docs/self-hosting/README.md, which did not exist. Point at Relaycast's self-hosting guide for the engine and document how the CLI, broker, and spawned agents target a self-hosted origin. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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| Description check |  |
The description explains the documentation changes and scope, but it omits the required Test Plan, RelayFlow Proof, and Screenshots sections. For a documentation-only change, it should still state the… | Add the missing template sections. Include the Test Plan with the applicable test status, set Change type to non-functional, set RelayFlow case to n/a, and add the Screenshots section or state that screenshots are not applicable. |
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Check name Status Explanation Title check The title clearly and concisely describes the main documentation change and its purpose: adding a self-hosting guide to fix the broken destination link. Docstring Coverage No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0… Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
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The description explains the documentation changes and scope, but it omits the required Test Plan, RelayFlow Proof, and Screenshots sections. For a documentation-only change, it should still state the test status and use Change type: non-functional with RelayFlow case: n/a.
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| export RELAY_API_KEY=rk_live_... # the workspace key | ||
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| npm install -g agent-relay | ||
| agent-relay up |
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🔴 Self-hosting quick start cannot start broker
Following the setup example, agent-relay up fails because the installed CLI registers up only under node. The broker never starts.
| agent-relay up | |
| agent-relay node up |
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Confirmed and fixed in 288f5a4. With the latest published agent-relay (13.4.1), agent-relay up fails with error: unknown command 'up'; the command is agent-relay node up. The doc now uses node up everywhere.
I verified the full path end to end against a self-hosted @relaycast/engine 10.3.0 (SQLite, localhost, isolated HOME):
- I ran the documented env-file snippet verbatim under both zsh and bash. It writes
~/.config/agent-relay/self-host.envwith mode-rw-------and the exact key. set -a; . self-host.env; set +a; agent-relay node upprintedWorkspace: joined 235810996202123264, the ID the local engine issued.node statusshowedRUNNINGwith key precedenceRELAY_WORKSPACE_KEY > AGENT_RELAY_WORKSPACE_KEY > RELAY_API_KEY.- Broker
/healthreportedrelaycastConnected: true,nodeConnected: true,nodeDelivery.connected: true, and the engine listed the node's identity. - I spawned a PTY agent (
cat), sent it a DM through the engine's/v1/dmfrom another registered agent, and its PTY showedRelay message from verifier [235810996202123264 / …]: SELFHOST_PROOF_TWO.
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| ```bash | ||
| export RELAY_BASE_URL=https://relay.example.com # your Relaycast public origin | ||
| export RELAY_API_KEY=rk_live_... # the workspace key |
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🟨 Workspace key persists in shell history
Entering export RELAY_API_KEY=... with a real key records it in interactive shell history. Anyone who reads that history can reuse the workspace credential.
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Fixed in 288f5a4. The quick start now prompts for the key without echo (read -rs) and writes it into a mode-600 env file. The key never appears in history or argv. I tested the snippet verbatim in zsh and bash.
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| - `RELAYCAST_WS_URL` overrides the WebSocket endpoint. Leave it unset unless | ||
| your proxy serves WebSockets from a different origin; otherwise it is derived | ||
| from the base URL. |
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When a deployment serves WebSockets from a different origin, setting RELAYCAST_WS_URL as instructed does not reroute the broker's active transports. runtime/session.rs reads it into configured_ws, but MultiWorkspaceSession::new ignores that _ws_base, while runtime/init.rs derives both /v1/node/ws and /v1/node/terminal/ws solely from configured_base. The broker therefore continues connecting to the HTTP base origin and loses real-time delivery unless this variable is wired into those URLs or the unsupported advice is removed.
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Confirmed and fixed in 288f5a4. runtime/session.rs reads RELAYCAST_WS_URL, but MultiWorkspaceSession::new discards it (_ws_base), and runtime/init.rs derives both /v1/node/ws and /v1/node/terminal/ws from configured_base only. I removed the override advice. The doc now says WebSockets derive from the base URL, so the proxy must serve upgrades on that origin.
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| ```bash | ||
| export RELAY_BASE_URL=https://relay.example.com # your Relaycast public origin | ||
| export RELAY_API_KEY=rk_live_... # the workspace key |
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When a user substitutes a real workspace key in a normal interactive shell, this export command is recorded verbatim in shell history, directly contradicting the security guidance on lines 45–46. Since this is the primary runnable setup example, show a mode-600 environment-file workflow or a non-echoing prompt instead of instructing users to type the key on the command line.
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Fixed in 288f5a4. The quick start now prompts for the key without echo (read -rs) and writes it into a mode-600 env file. The key never appears in history or argv. I tested the snippet verbatim in zsh and bash.
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🔇 Additional comments (2)
docs/self-hosting/README.md (1)
43-44: 🗄️ Data Integrity & IntegrationThe URL wiring is already correct.
configured_baseresolvesRELAYCAST_BASE_URLbeforeRELAY_BASE_URL. The broker assigns it tochild_base_urland passes it tospawn_env_vars, which addsRELAY_BASE_URLwhen nonempty. TheNonecase occurs only when no URL override is configured, so the child correctly uses the SDK default.README.md-65-65 (1)
65-65: 📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win
⚠️ Unverified finding
Verification ran but could not confirm this finding. It is shown for review, not as a verified issue.Hyphenate “self-hosting” in this modifier.
In “self hosting options,” the term modifies “options.” Write “self-hosting options.”
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Inline comments:
Review comments at @docs/self-hosting/README.md:
- Line 30: Update the `RELAY_API_KEY` setup example to load the workspace key
from the protected env file or secret manager described below, rather than
entering the key directly in an interactive shell command.
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…LAYCAST_WS_URL - agent-relay 13.4.1 has no top-level up; the command is agent-relay node up. - Prompt for the workspace key without echo into a mode-600 env file. - RELAYCAST_WS_URL is read but never used for the node sockets; document that WebSockets derive from the base URL instead. - Name RELAY_WORKSPACE_KEY as canonical with its fallbacks. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Summary
docs/self-hosting/README.md, the target of agentrelay.com's homepage "Self host" card, which currently 404s.RELAY_BASE_URL/RELAYCAST_BASE_URL(broker precedence),RELAYCAST_WS_URL,RELAY_API_KEY, broker forwarding to workers, and the SDKbaseUrl.Docs-only, so no changelog entry.
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Low Risk
Documentation-only changes with no runtime, auth, or data-path modifications.
Overview
Adds
docs/self-hosting/README.mdso the site’s “Self host” entry has a real target (previously 404). The guide maps Relaycast, broker/CLI, and optional Relayfile, points operators at Relaycast’s upstream self-hosting doc, and explains how to aimagent-relay node upat a private engine viaRELAY_BASE_URL/RELAYCAST_BASE_URL, workspace key env vars, and SDKbaseUrl, including a secure env-file workflow and what still requires Agent Relay Cloud.The root README Self Hosting blurb now links to that guide instead of only offering email support.
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Agent Relay sessions
claudesession47b72585· opened viagh pr create· last active 2026-10-13